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The third AAPG Siliciclastic Reservoirs of the Middle East Workshop will be held in Muscat from 28-30 October 2019. Following the first workshop in Kuwait in 2015 and the second in Jordan in 2017, this event aims to bring together subsurface professionals from across the region to share knowledge and experience of siliciclastic reservoirs. Clastic oil and gas reservoirs occur throughout the stratigraphic column in the Middle East region, but are notably dominant during the Paleozoic era, whilst the Arabian plate formed part of a much larger supercontinent. This dominance of clastics came to a relatively abrupt end with continental breakup and the widespread deposition of the Permo-Triassic Khuff formation carbonates. Since this time, however, important clastic intervals continued to form as more localized siliciclastic depositional systems developed and prograded in response to tectonic events and sea level fluctuations.

Successful exploration and development of siliciclastic reservoirs depends on having a good understanding of reservoir facies, distribution, continuity and connectivity. In order to assess exploration risks it is necessary to develop regional depositional models and paleogeographic reconstructions, along with sequence stratigraphic and chronostratigraphic frameworks. Post-depositional modification by burial diagenesis, structuration and one or more phases of hydrocarbon charging can impact the volumetrics, recovery factor and development strategy of any siliciclastic hydrocarbon accumulation. This is especially true given the great depth and age of many clastic hydrocarbon accumulations in the region. This workshop will address all of these aspects and more, allowing attendees the chance to appreciate how the individual hydrocarbon reservoirs that they are working on sit within the context of the Middle East, and to learn how exploration and development challenges have been tackled elsewhere.

During the workshop, selected speakers will present field and regional scale case studies covering all subsurface aspects of the hydrocarbon cycle, from prospect maturation to production. Sessions covering recent applications of specialized knowledge such as stratigraphy, geochemistry, geophysics and geomechanics will also be included. Breakouts to view posters and cores covering key regional clastic reservoirs will occur. A post-workshop fieldtrip will be offered, giving participants the opportunity to experience the diverse geology of the Muscat area.

Benefits of Attending

The workshop is an opportunity for attendees to receive up-to-date knowledge about clastic reservoir characterization, exposure to regional case studies and be introduced to innovative technologies utilized to explore and develop these important reservoirs. It provides a chance to network and to share experiences between different subsurface disciplines, service providers and operators. All participants will receive a digital summary of the breakout sessions and discussions, and the abstracts presented at the workshop.

Who Should Attend

Geologists, geophysicists, petrophysicists, petroleum technologists, reservoir engineers and managers working in the exploration, appraisal and development of siliciclastic hydrocarbon reservoirs.

Core Display Sessions

During the workshop there will be several opportunities to view cores from two emerging oil plays in Oman. Expert geologists will be on hand to explain the sedimentary features and reservoir characteristics, and give an overview of how these new plays are being appraised.

Petroleum Development Oman (PDO) will be displaying a number of cores from base Tertiary (base Hadhramaut Group) Danian-Selandian Shammar Member. The Shammar is a relatively thin but prolific reservoir deposited during a marginal marine transgression on top of the Cretaceous carbonate platform. The reservoir is lithologically heterogeneous, consisting of conglomerates, sandstones and siltstones, with the coarser facies tending to occupy lows in the existing topography.

Masirah Oil LLC will be presenting a core from the upper part of the Late Cretaceous (base Aruma Group) Qitqawt Member. Similar to the younger Shammar Member, the Qitqawt Member is a fluvial to near-shore marine siliciclastic deposit laid down after a period of emergence and transgression of an earlier carbonate platform. Oil has recently been discovered in sandstones of the Fayah Member, which occupies a slightly higher stratigraphic position in the lower Aruma Group, Masirah Graben block, offshore Oman.

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3rd Edition: Siliciclastic Reservoirs of the Middle East
Crowne Plaza Muscat OCEC
Al Jamah Al Akbar Street
MuscatAd Dakhiliyah

A limited number of rooms have been reserved at the hotel at the rate of OMR 47 (king/twin) per room per night. To book your room, please follow the link below. Should you face any issues with room booking please contact

Please note: The AAPG rate only applies to reservations for 27-30 October 2019. Please ensure you book your room before 11 October 2019, after this date the best available rate will apply.

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Katie Steibelt Senior Events Manager, Middle East & Africa Regions
Brittany Welch Event Coordinator, Middle East
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